| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| periodic table book pdf | 1.27 | 0.1 | 8336 | 23 | 66 |
| periodic table book pdf free download | 1.98 | 0.7 | 6274 | 37 | 62 |
| periodic table of elements book pdf | 1.01 | 1 | 3299 | 35 | 30 |
| periodic table coloring book pdf | 0.21 | 0.3 | 1946 | 32 | 52 |
| periodic table worksheets pdf free download | 0.2 | 0.2 | 4514 | 43 | 6 |
| periodic table printable pdf free | 1.11 | 0.6 | 4349 | 33 | 61 |
| free periodic table pdf | 0.78 | 0.6 | 578 | 23 | 98 |
| free download of periodic table | 0.69 | 0.9 | 2687 | 31 | 95 |
| book the periodic table | 1.15 | 0.4 | 6116 | 23 | 71 |
| periodic table for download | 0.43 | 0.9 | 5991 | 27 | 69 |
